Top 1391 Sr systems administrator linux Jobs

Senior Linux Systems Administrator
Computational Physics, Inc. —Washington, DC
- $140,000 - $165,000 a year
- Online Application
- Hybrid work
- 5 years
- Bachelor's degree
- Senior level
- Profit sharing
- Disability insurance
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Senior Systems Administrator
PBS Radiology Business Experts —Remote
- Full-time
- Remote
- 5 years
- Windows
- Mentoring
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Linux Systems Administrator (Part-time)
Savi Gurus —St. Louis, MO
- Part-time
- Remote
- Senior level
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Senior Linux Systems Administrator
MindGadget —Sunnyvale, CA
- Contract
- Senior level
- Python
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Senior Systems Administrator
PingWind —Remote
- Full-time
- Remote
- 7 years
- Azure
- System design
- AD&D insurance
- Paid holidays
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IT Systems Analyst
Restoration of America —Ponte Vedra, FL
- $60,000 - $65,000 a year
- Full-time
- Azure
- Mid-level
- Windows
- Health savings account
- Health insurance
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Senior System Admin - Knoxville, TN Office Onsite
Edfinancial Holdings LLC —Knoxville, TN
- Office
- SharePoint
- In-person
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13d
Senior Systems & Network Administrator
MODERN DISPOSAL SERVICES. —Lewiston, NY
- $95,000 - $120,000 a year
- Full-time
- Computer science
- 6 years
- Computer Science
- Health savings account
- Paid holidays
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14d
Virtualization Systems Administrator - TS/SCI w/Poly
General Dynamics Information Technology —Annapolis Junction, MD
- $96,569 - $130,651 a year
- System design
- Analysis skills
- Bachelor's degree
- Paid time off
- 401(k) matching
Senior Infrastructure Engineer
SciTec —Aurora, CO
- $156,000 - $193,000 a year
- Computer Science
- System design
- 8 years
- Profit sharing
- Paid parental leave
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Senior Staff / Senior Network Engineer
SciTec —Boulder, CO
- $145,000 - $204,000 a year
- Azure
- 6 years
- Windows
- Profit sharing
- Paid parental leave
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13d
Linux Systems Administrator Tier 1 & 2 (HPC)
AMERICAN SYSTEMS —Dallas, TX
- $120,000 - $150,000 a year
- Full-time
- 5 years
- Bachelor's degree
- Experience equivalent to degree accepted
- Retirement plan
Linux Systems Administrator
CGI Group, Inc. —Arlington, VA
- $100,000 - $200,000 a year
- System design
- Mid-level
- Analysis skills
- Paid parental leave
- Paid holidays
RHEL Systems Administrator (Cameo Administrator)
ENSCO, Inc. —Warrenton, VA
- $108,825.60 - $150,000.00 a year
- Full-time
- Background check
- 7 years
- Pass drug screening
- Relocation assistance
Senior Linux System Administrator
Leidos —Alexandria, VA
- $107,900 - $195,050 a year
- Full-time
- 5 years
- Office
- Master's degree
Senior Systems Administrator/Helpdesk Engineer
Leidos —Tucson, AZ
- $92,300 - $166,850 a year
- Full-time
- Azure
- 6 years
- Computer Science
4d
Systems Engineer Senior Principal
General Dynamics Information Technology —Fort Bragg, NC
- $146,266 - $197,890 a year
- Hybrid work
- Computer Science
- AWS
- Bachelor's degree
- Paid time off
- 401(k) matching
6d
Secret Clearance Red Hat Linux Administrator
Insight Global —Fort Worth, TX
- $75 - $90 an hour
- Contract
- 5 years
- DevOps
- In-person
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7d
Systems Administrator - Senior
Amentum —Springfield, VA
- $155,000 - $180,000 a year
- Full-time
- 5 years
- In-person
- Senior level
- Relocation assistance
Quick Apply
vSAN Systems Administrator Senior
General Dynamics Information Technology —Offutt AFB, NE
- $85,093 - $114,425 a year
- 3 years
- Travel
- Senior level
- Health insurance
- Dental insurance

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Senior Linux Systems Administrator

Computational Physics, Inc. -
Washington, DC

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Job Details

Full-time
$140,000 - $165,000 a year

Benefits

Profit sharing
Disability insurance
Dental insurance
401(k)
Flexible spending account
Tuition reimbursement
Paid time off
Parental leave
Vision insurance
Employee stock ownership plan
Opportunities for advancement
Flexible schedule
Life insurance

Qualifications

Authentication
Endpoint Security
Systems integration
Vulnerability scanning implementation
Linux support
IT system monitoring
Configuration management
Endpoint Detection and Response (EDR)
System maintenance
Virtualization tools
Patch management
Bachelor's degree
Vulnerability scanning
Server virtualization
Monitoring system implementation
System deployment
Storage management (system administration)
Network monitoring tools
CompTIA Security+
Linux administration
Security system management
IT security monitoring

Full Job Description

Computational Physics, Inc. (CPI) is seeking a Senior Linux System Administrator to support our customers at the United States Naval Observatory (USNO) in the deployment and maintenance of its precise timing and astrometry networks.

The USNO is responsible for the production and dissemination of precise parameters concerning time, star positions, and the earth's rotation to the Department of Defense (DoD) and intelligence community, other U.S. Government (USG) users such as NASA and the National Oceanic and Atmospheric Administration (NOAA), as well as non-USG civilian and international users. Distribution of these parameters supports GPS navigation, among other applications, an important national and international function. A reliable, secure, maintainable and manageable USNO network is crucial to the production and dissemination of these data products.

The position will be located at the U.S. Naval Observatory in Washington D.C. Partial telework may be permitted in accordance with applicable Navy and Observatory guidance in effect at the time.

Required Qualifications

Seven (7) or more years of industry experience
Five (5) or more years of experience as a Linux System Administrator Experience managing, configuring, and patching
Red Hat Enterprise Linux (RHEL) systems Experience applying STIGs and remediating vulnerabilities identified by ACAS or similar security tools Experience supporting systems in virtualized environments (e.g., VMware vSphere)
Experience integrating systems with monitoring and alerting platforms (e.g., SolarWinds, AIDE)
Experience configuring and managing centralized authentication services (e.g., Active Directory, Centrify, FreeIPA/IdM)
Experience installing and maintaining endpoint security tools (e.g., Trellix/McAfee, Microsoft Defender for Endpoint)
Experience configuring and managing centralized logging solutions (e.g., rsyslog, SIEM integrations)
Experience administering Linux systems using configuration management tools (e.g., Ansible, Puppet)
Experience with DoD cybersecurity policies and frameworks is highly desirable

EducationCertifications

Bachelor's degree in IT, CS, or related field
CompTIA Security+ CE
Active Top Secret Security clearance

Preferred Qualifications

Strong troubleshooting skills across system, network, and storage layers
Experience configuring and troubleshooting SELinux
Experience managing RHEL lifecycle and patching using tools such as Red Hat Satellite or equivalent
Experience with container technologies (e.g., Podman, Docker)
Strong understanding of Linux networking (e.g., firewalld/nftables, DNS, routing, VLANs)
Experience with modern monitoring and observability platforms (e.g., Prometheus, Grafana, ELK)
Experience managing Linux storage (e.g., LVM, XFS, NFS, multipath) Experience developing and maintaining
Ansible playbooks/roles and using version control (e.g., Git)
Experience supporting compliance frameworks (e.g., RMF, STIG checklists, POA&M development)

U.S. citizenship is required for DoD contracts.

About CPI

We love science! We study the physical properties of the Earth and our atmosphere, neighboring planets, and the sun. We make the study of science practical by translating our findings into products, both hardware and software, that make our customer's lives easier and better. CPI has served various U.S. Government agencies, universities, international science organizations, prime contractors, as well as commercial customers for 40 years.

CPI is an employee-owned company - our team members receive company stock. Employee ownership motivates and empowers increased productivity, contribution to the longevity of the business, improved retention, and enhanced employee engagement.

Why Work for Us?

Competitive salary and comprehensive benefits
Positive, upbeat, and transparent company culture with opportunities for self-development and career advancement
Employee-owned small business that allows team members to learn from each other and take ownership
Professional development support including conference attendance and certification training

Benefits

401(k), Profit Sharing and an Employee Stock Ownership Plan (ESOP)
Disability insurance (short-term and long-term)
Flexible schedule
Flexible spending account
Health, Dental, and Vision insurance
Life insurance
Paid time off
Parental Leave
Tuition reimbursement

To apply please visit our careers page.

CPI is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to sex, gender identity, sexual orientation, race, color, religion, national origin, disability, protected Veteran status, age, or any other characteristic protected by law.

If you need a reasonable accommodation for any part of the employment process, please contact us and let us know the nature of your request and your contact information. Requests for accommodation will be considered on a case-by-case basis.

Quick Apply

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